623212356603 has 4 divisors (see below), whose sum is σ = 830949808808. Its totient is φ = 415474904400.

The previous prime is 623212356589. The next prime is 623212356623. The reversal of 623212356603 is 306653212326.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 623212356603 - 2¹³ = 623212348411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623212356623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103868726098 + ... + 103868726103.

It is an arithmetic number, because the mean of its divisors is an integer number (207737452202).

Almost surely, 2^623212356603 is an apocalyptic number.

623212356603 is a deficient number, since it is larger than the sum of its proper divisors (207737452205).

623212356603 is a wasteful number, since it uses less digits than its factorization.

623212356603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207737452204.

The product of its (nonzero) digits is 233280, while the sum is 39.

Adding to 623212356603 its reverse (306653212326), we get a palindrome (929865568929).

The spelling of 623212356603 in words is "six hundred twenty-three billion, two hundred twelve million, three hundred fifty-six thousand, six hundred three".